Thesaurus

Synonyms for Prodigious include:

ample, astronomic, astronomical, awful, banging, bear-sized, big, bigger, biggish, blown-up, bonzer, bouffant, broad, Brobdingnagian, bulky, capacious, colossal, cosmic, deep, double, earthshaking, elephantine, enlarged, enormous, epic, epoch-making, epochal, evidential, evidentiary, exceeding, exceptional, extended, extensive, extraordinary, extraorinaire, fantastic, frightful, full-size, fundamental, galactic, gargantuan, giant, gigantic, grand, great, heroic, howling, huge, hulking, hulky, humongous, immense, important, incomparable, jumbo, key, king-size, king-sized, large, large-mouthed, large-scale, larger, larger-than-life, largish, life-size, life-sized, lifesize, macro, mammoth, man-sized, marvellous, marvelous, massive, meaningful, medium-large, momentous, monolithic, monstrous, monumental, mountainous, noteworthy, of import, olympian, one, operative, outsize, outsized, overlarge, oversize, oversized, phenomenal, plumping, portentous, preternatural, probative, probatory, prodigious, profound, puffy, pyrotechnic, queen-size, queen-sized, rangy, rare, rattling, remarkable, significant, singular, sizable, sizeable, some, spacious, special, stupendous, super, surpassing, terrible, terrific, thumping, titanic, too large, tremendous, uncanny, uncommon, uncomparable, unusual, vast, volumed, voluminous, walloping, whacking, whopping, wide, wide-ranging, wonderful, wonderworking, wondrous, world-shaking, world-shattering

prodigious is a ADJ.